feat: bubble up the entire reqwest error

Author: gruuya

catalogs/iceberg-rest-catalog/src/error.rs

@@ -9,7 +9,7 @@ Error conversion
 impl<T> From<apis::Error<T>> for Error {
     fn from(val: apis::Error<T>) -> Self {
         match val {
-            apis::Error::Reqwest(err) => Error::InvalidFormat(err.to_string()),
+            apis::Error::Reqwest(err) => Error::External(err.into()),
             apis::Error::Serde(err) => Error::JSONSerde(err),
             apis::Error::Io(err) => Error::IO(err),
             apis::Error::ResponseError(ResponseContent {